<?php
class BaseClass {
    public function MoreTesting() {
        echo "base-> moretesting\n<br/>";
    }
}


class childClass extends BaseClass{
    public function MoreTesting() {
        echo "child -> moretesting\n<br/>";
        parent::MoreTesting();
    }
}

$ch=new ChildClass();
$ch->MoreTesting();